File vobject_encoding_performance.patch of Package php-sabre-vobject

File vobject_encoding_performance.patch of Package php-sabre-vobject (Revision 9)

Currently displaying revision 9 , Show latest

diff --git a/lib/Property.php b/lib/Property.php
index 73686bc..efa17bc 100644
--- a/lib/Property.php
+++ b/lib/Property.php
@@ -241,19 +241,18 @@ abstract class Property extends Node {
 
         $str.=':' . $this->getRawMimeDirValue();
 
-        $out = '';
-        while(strlen($str)>0) {
-            if (strlen($str)>75) {
-                $out.= mb_strcut($str,0,75,'utf-8') . "\r\n";
-                $str = ' ' . mb_strcut($str,75,strlen($str),'utf-8');
-            } else {
-                $out.=$str . "\r\n";
-                $str='';
-                break;
-            }
-        }
+        $str = preg_replace(
+            '/(
+                (?:^.)?         # 1 additional byte in first line because of missing single space (see next line)
+                .{1,74}         # max 75 bytes per line (1 byte is used for a single space added after every CRLF)
+                (?![\x80-\xbf]) # prevent splitting multibyte characters
+            )/x',
+            "$1\r\n ",
+            $str
+        );
 
-        return $out;
+        // remove single space after last CRLF
+        return \substr($str, 0, -1);
 
     }
 
diff --git a/lib/Property/Text.php b/lib/Property/Text.php
index ffd4c4b..30f5e38 100644
--- a/lib/Property/Text.php
+++ b/lib/Property/Text.php
@@ -270,20 +270,19 @@ class Text extends Property {
 
         } else {
             $str.=':' . $val;
-            $out = '';
-            while(strlen($str)>0) {
-                if (strlen($str)>75) {
-                    $out.= mb_strcut($str,0,75,'utf-8') . "\r\n";
-                    $str = ' ' . mb_strcut($str,75,strlen($str),'utf-8');
-                } else {
-                    $out.=$str . "\r\n";
-                    $str='';
-                    break;
-                }
-            }
-
-            return $out;
 
+            $str = \preg_replace(
+                '/(
+                    (?:^.)?         # 1 additional byte in first line because of missing single space (see next line)
+                    .{1,74}         # max 75 bytes per line (1 byte is used for a single space added after every CRLF)
+                    (?![\x80-\xbf]) # prevent splitting multibyte characters
+                )/x',
+                "$1\r\n ",
+                $str
+            );
+
+            // remove single space after last CRLF
+            return \substr($str, 0, -1);
 
         }